Home / 55,047.48-75,996.96-36,239.28

Finding the Fourth Proportional to 55,047.48, 75,996.96 and 36,239.28

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Solution

The fourth proportional to 55,047.48, 75,996.96 and 36,239.28 is: 50,030.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,047.48 : 75,996.96 = 36,239.28 : x
  2. Step 2: Convert to fraction form
    55,047.48/75,996.96 = 36,239.28/x
  3. Step 3: Cross multiply
    55,047.48x = 75,996.96 × 36,239.28
  4. Step 4: Simplify right side
    55,047.48x = 2,754,075,112.59
  5. Step 5: Solve for x
    x = 2,754,075,112.59/55,047.48
  6. Step 6: Final answer
    x = 50,030.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.